In Croatia, Grabičanin families are Bosniaks by relative majority (from Tuzla Region (Bosnia) ), rarely Croats (from Zagreb ), and . In the past century, relatively most of Croatian residents bearing this family name were born in Tuzla Region, Bosnia (Tuzla area).
Prevalence
Only a few people with faimily name Grabičanin live in Croatia today, in two households only. They are located in only two Croatian places: in Zagreb (<5) and Milicani in Koprivnica area (<5).
Outside Croatia
Family name Grabičanin is present in two countries on two continents. The family name "Grabicanin " is used by few people in the United States.